Brother DCP-9045CDN Service Manual page 273

(2) Remove the one cup S M3x6 Taptite screw, and then remove the THM/HUM ground plate.
(3) Remove the four cup S M3x6 Taptite screws.
(4) Release the two Hooks to remove the THM/HUM sensor holder ASSY.
Frame unit
Hook
THM/HUM sensor
holder ASSY
Taptite, cup S M3x6
THM/HUM ground plate
Taptite, cup S M3x6
Hook
<Left side>
Fig. 3-192
3-140
Confidential